/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

 */

package com.sun.xml.internal.fastinfoset.util;

import com.sun.xml.internal.fastinfoset.CommonResourceBundle;

public class CharArrayArray extends ValueArray {

    private CharArray[] _array;

    private CharArrayArray _readOnlyArray;

    public CharArrayArray(int initialCapacity, int maximumCapacity) {

        _array = new CharArray[initialCapacity];

        _maximumCapacity = maximumCapacity;

    }

    public CharArrayArray() {

        this(DEFAULT_CAPACITY, MAXIMUM_CAPACITY);

    }

    public final void clear() {

        for (int i = 0; i < _size; i++) {

            _array[i] = null;

        }

        _size = 0;

    }

    /**

     * Returns cloned version of internal CharArray[].

     * @return cloned version of internal CharArray[].

     */

    public final CharArray[] getArray() {

        if (_array == null) return null;

        final CharArray[] clonedArray = new CharArray[_array.length];

        System.arraycopy(_array, 0, clonedArray, 0, _array.length);

        return clonedArray;

    }

    public final void setReadOnlyArray(ValueArray readOnlyArray, boolean clear) {

        if (!(readOnlyArray instanceof CharArrayArray)) {

            throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.illegalClass", new Object[]{readOnlyArray}));

        }

        setReadOnlyArray((CharArrayArray)readOnlyArray, clear);

    }

    public final void setReadOnlyArray(CharArrayArray readOnlyArray, boolean clear) {

        if (readOnlyArray != null) {

            _readOnlyArray = readOnlyArray;

            _readOnlyArraySize = readOnlyArray.getSize();

            if (clear) {

                clear();

            }

        }

    }

    public final CharArray get(int i) {

        if (_readOnlyArray == null) {

            return _array[i];

        } else {

            if (i < _readOnlyArraySize) {

               return _readOnlyArray.get(i);

            } else {

                return _array[i - _readOnlyArraySize];

            }

        }

   }

    public final void add(CharArray s) {

        if (_size == _array.length) {

            resize();

        }

       _array[_size++] = s;

    }

    protected final void resize() {

        if (_size == _maximumCapacity) {

            throw new ValueArrayResourceException(CommonResourceBundle.getInstance().getString("message.arrayMaxCapacity"));

        }

        int newSize = _size * 3 / 2 + 1;

        if (newSize > _maximumCapacity) {

            newSize = _maximumCapacity;

        }

        final CharArray[] newArray = new CharArray[newSize];

        System.arraycopy(_array, 0, newArray, 0, _size);

        _array = newArray;

    }

}